General Secondary Certificate (Tawjihiya Kuwait) · Physics and Chemistry

Physics: Mechanics, Electricity, and Modern Physics

31 practice questions, each with the answer and an explanation.

Practise Physics: Mechanics, Electricity, and Modern Physics now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 31 questions

  1. A 4.0 kg block is pulled across a rough horizontal floor by a constant horizontal force of 28 N. If the coefficient of kinetic friction between the block and the floor is 0.20 (take g = 9.8 m/s^2), wh…
  2. A 0.50 kg ball is dropped from rest from a height of 20 meters above the ground. Neglecting air resistance and taking g = 9.8 m/s^2, what is the kinetic energy of the ball just before it strikes the g…
  3. A 1200 kg car traveling east at 20 m/s collides with a stationary 800 kg car. If the two vehicles lock together upon impact (completely inelastic collision), what is their combined velocity immediatel…
  4. An object moves in a circular path of radius 4.0 meters at a constant speed of 8.0 m/s. What is the magnitude of its centripetal acceleration?
  5. A simple pendulum has a length of 0.98 meters on Earth where g = 9.8 m/s^2. What is its period of small-angle oscillation T?
  6. In a Young's double-slit experiment, monochromatic light of wavelength 600 nm passes through two slits separated by 0.20 mm. What is the distance between consecutive bright interference fringes on a s…
  7. Two point charges, q1 = +4.0 microCoulombs and q2 = -3.0 microCoulombs, are placed 0.30 meters apart in a vacuum. What is the magnitude of the electrostatic force between them? (Coulomb's constant k =…
  8. A parallel-plate capacitor has a plate area of 0.040 m^2 separated by a 2.0 mm distance of air (vacuum permittivity epsilon_0 = 8.85 * 10^-12 F/m). What is its capacitance?
  9. Three resistors with values 4 ohms, 6 ohms, and 12 ohms are connected in parallel across a 12 V battery with negligible internal resistance. What is the total current supplied by the battery?
  10. A proton (charge q = +1.60 10^-19 C) moves at 5.0 10^6 m/s perpendicular to a uniform magnetic field of 0.40 Tesla. What is the magnitude of the magnetic force acting on the proton?
  11. A flat circular coil of 50 turns with an area of 0.020 m^2 is placed perpendicular to a magnetic field. If the magnetic field decreases uniformly from 0.80 T to 0.20 T in 0.30 seconds, what is the mag…
  12. An ideal step-down electrical transformer has 800 turns in its primary coil and 40 turns in its secondary coil. If the primary alternating voltage is 240 V, what is the secondary output voltage?
  13. In a photoelectric experiment, light of frequency 1.20 * 10^15 Hz illuminates a metal surface with a work function of 2.40 eV. What is the maximum kinetic energy of the emitted photoelectrons? (Planck…
  14. A radioactive isotope has a half-life of 8.0 days. If an initial sample contains 80 mg of this isotope, how much of the original isotope remains undecayed after 24 days?
  15. A 60 W incandescent light bulb is operated continuously for 5.0 hours. How much total electrical energy does it consume?
  16. What is the de Broglie wavelength of an electron (mass = 9.11 10^-31 kg) traveling at a velocity of 2.0 10^6 m/s? (Planck's constant h = 6.63 10^-34 Js)
  17. A ray of light traveling in air (n1 = 1.00) strikes a flat glass block (n2 = 1.50) at an angle of incidence of 30°. What is the angle of refraction inside the glass?
  18. A sound wave traveling through air has a frequency of 680 Hz. If the speed of sound in air is 340 m/s, what is the wavelength of the sound wave?
  19. According to Lenz's law, in what direction does an induced current flow when a magnet's north pole is pushed toward a closed conductive loop?
  20. What is the equivalent resistance of two 6.0 ohm resistors connected in series, followed by a third 6.0 ohm resistor connected in parallel with the series pair?
  21. Which of the following nuclear reactions represents an example of beta-minus (beta-) radioactive decay?
  22. An electric immersion heater of 500 W power is used to heat 0.50 kg of water from 20°C to 70°C. Assuming no heat loss to the surroundings, how long does this take? (Specific heat capacity of water c =…
  23. What is the total mass defect (Delta m) if a nucleus has a nuclear binding energy of 28.3 MeV? (1 u = 931.5 MeV/c^2)
  24. A car horn emits sound at 400 Hz while the car approaches a stationary observer at 34 m/s. If the speed of sound in air is 340 m/s, what frequency is heard by the observer?
  25. A 2.0 kg mass attached to a horizontal ideal spring oscillates on a frictionless surface with a spring constant k = 200 N/m. What is the frequency of oscillation f?
  26. What is the total resistance of an ideal ammeter and an ideal voltmeter?
  27. A 2.0 kg block is pushed against a horizontal spring with force constant , compressing it by . When released on a frictionless floor, it slides onto a rough surface…
  28. What is the pH of a buffer solution prepared by mixing 100 mL of 0.20 M acetic acid (, , ) with 100 mL of 0.10 M sodium acetate ()?
  29. A step-down transformer connected to a 240 V AC primary line has 600 primary turns and 50 secondary turns. If the secondary circuit draws a current of 6.0 A with 100% efficiency, what is the primary c…
  30. For the gas-phase reaction with , which combination of changes will shift the equilibrium position to the right?
  31. A monochromatic light beam with wavelength 600 nm in air enters a glass prism with refractive index . What are its wavelength and frequency inside the glass? (…

Keep practising

More General Secondary Certificate (Tawjihiya Kuwait) topics

All General Secondary Certificate (Tawjihiya Kuwait) practice →

Ready for the full General Secondary Certificate (Tawjihiya Kuwait) test?

Take a mock testGeneral Secondary Certificate (Tawjihiya Kuwait) hub